McDonald's Internet 

Synonymous for a shitty internet connection. The term was coined by Irish gamer DaithiDeNogla on a Call Of Duty: Zombies match when fellow Irish gamer The Terroriser was having connection issues.

*two guys playing Counter Strike*
Man 1: Dude, why do you keep lagging?!
Man 2: It's my McDonald's Internet, it's making me lag.

McDonald's Internet by Iamthe1337teh1337er April 8, 2016

mcdonald's internet connection 

When your playing an online game and your internet connection is so laggy that you have no control of your game.

Tim got that McDonald's internet connection, no wander his K/D's so bad

mcdonald's internet connection by Tj1700 April 18, 2016

mcdonalds internet

Used to describe a poor internet connection, usually among players of competitive online games.

Person 1: I lost because of that guy's McDonalds internet, it was so laggy

Person 2: No johns

mcdonalds internet by Kappa// August 21, 2016